1. On 4 March 2017, the 4,290-tonne cruise ship Caledonian Sky, owned by British company Noble Caledonia, crashed coral reef near Kri Island, off Raja Ampat, Indonesia. It was one of the most beautiful coral reef areas in the world. Caledonian Sky was completing a bird-watching tourism trip on Waigeo Island when it veered slightly off course. It ran aground during low tide, smashing through the coral reefs. About 1,600 meter squares of coral reef were damaged after the incident.

  2. On 21 April 2017, a ferry carrying 140 passengers crashed into a pier where pipes were located on the main island of Gran Canaria, prompting an oil spill. The pipes leaked 60,000 litres of oil into waters surrounding the towns of Las Palmas de Gran Canaria and Telde, according to the regional government.

  3. On 16 November 2017, about 795,000 litre of cruide oil gushed out of the Keystone Pipeline in Marshall County, South Dakota. The pipeline company, TransCanada, said in a statement that the South Dakota leak was detected around 6 a.m. local time on Thursday. The pipeline was shut down, and the cause of the leak was under investigation.